class_docstr: ImageNet dataset.
class_docstr_tok: ["ImageNet","dataset","."]
code: def __len__(self):
      return len(self._imdb)
  
file_path: pycls/pycls/datasets/imagenet.py
imports: import os
  import re
  import cv2
  import numpy
  import pycls.core.logging
  import pycls.datasets.transforms
  import torch.utils.data
  from pycls.core.config import cfg
label_desc: Use image node_id 5 for calling the ImageNet obj's underlying member method code with example usage: obj.__len__() and returns: len